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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include "opentelemetry/sdk/common/global_log_handler.h"
#include <gtest/gtest.h>
#include <cstring>
class CustomLogHandler : public opentelemetry::sdk::common::internal_log::LogHandler
{
public:
void Handle(opentelemetry::sdk::common::internal_log::LogLevel level,
const char *,
int,
const char *msg,
const opentelemetry::sdk::common::AttributeMap &) noexcept override
{
if (level == opentelemetry::sdk::common::internal_log::LogLevel::Debug)
{
EXPECT_EQ(0, strncmp(msg, "Debug message", 13));
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Error)
{
EXPECT_EQ(0, strncmp(msg, "Error message", 13));
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Info)
{
EXPECT_EQ(0, strncmp(msg, "Info message", 12));
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Warning)
{
EXPECT_EQ(0, strncmp(msg, "Warning message", 15));
}
++count;
}
size_t count = 0;
};
TEST(GlobalLogHandleTest, CustomLogHandler)
{
using opentelemetry::sdk::common::internal_log::LogHandler;
auto backup_log_handle =
opentelemetry::sdk::common::internal_log::GlobalLogHandler::GetLogHandler();
auto backup_log_level = opentelemetry::sdk::common::internal_log::GlobalLogHandler::GetLogLevel();
auto custom_log_handler = opentelemetry::nostd::shared_ptr<LogHandler>(new CustomLogHandler{});
opentelemetry::sdk::common::internal_log::GlobalLogHandler::SetLogHandler(custom_log_handler);
auto before_count = static_cast<CustomLogHandler *>(custom_log_handler.get())->count;
opentelemetry::sdk::common::AttributeMap attributes = {
{"url", "https://opentelemetry.io/"}, {"content-length", 0}, {"content-type", "text/html"}};
OTEL_INTERNAL_LOG_ERROR("Error message");
OTEL_INTERNAL_LOG_DEBUG("Debug message. Headers:", attributes);
EXPECT_EQ(before_count + 1, static_cast<CustomLogHandler *>(custom_log_handler.get())->count);
opentelemetry::sdk::common::internal_log::GlobalLogHandler::SetLogLevel(
opentelemetry::sdk::common::internal_log::LogLevel::Debug);
OTEL_INTERNAL_LOG_ERROR("Error message");
OTEL_INTERNAL_LOG_DEBUG("Debug message. Headers:", attributes);
OTEL_INTERNAL_LOG_INFO("Info message");
OTEL_INTERNAL_LOG_WARN("Warning message");
EXPECT_EQ(before_count + 5, static_cast<CustomLogHandler *>(custom_log_handler.get())->count);
opentelemetry::sdk::common::internal_log::GlobalLogHandler::SetLogHandler(backup_log_handle);
opentelemetry::sdk::common::internal_log::GlobalLogHandler::SetLogLevel(backup_log_level);
}
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